Kentfield · Marin County · CA
Harry Allen Trail is a 0.9-mile hard trail near Kentfield, in Marin County, CA. It climbs 607 ft and descends 607 ft, between 210 ft and a high point of 530 ft. Hard difficulty: calculated from 25% avg grade · 0.9 mi loop, 599 ft climb. Mapped for hiking.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.